People may want to download lots of resources from your library so it would be a pain to enter their contact information for every resource.
If you enable Smart Subscribers then people will only have to enter their contact information for the first resource. After that, they can just click a button to get another resource.
To enable Smart Subscribers, visit the 'Opt-In Settings' screen:
Next, visit the 'Opt-In Form' section and click the 'Smart Subscribers' switch:
Now, a visitor will be shown this button when they click another resource:
(note that the consent checkbox remains in place to help with GDPR compliance)
You can change the button text to a different phrase via the Smart Subscribers settings: